Smart Watch SPECIFICATIONS: System: Android 5.0 and above IOS 9.0 and above Waterproof Grade: Life Waterproof Band Material: Silica gel Case Material: Alloy 1.44 'HD color screen. Battery Capacity: 120-180mAh ROM: <128MB RAM: <128MB Type: On Wrist Screen Shape: Square Touch:Full Touch Function: Passometer / Oxymeter / sleep tracker / Message Reminder / Call Reminder / Answer Call / Push Message / Alarm Clock / Power Reserve / Heart Rate Tracker / Noctilucent / Calendar / Calculators / Countdown. Language: English / Dutch / Spanish / Polish / Portuguese / Turkish / French / German / Japanese / Arabic / Indonesian Feature: Large 1.44'' Color Screen :Enjoy a clear and immersive viewing experience with the watch's large 1.44'' color screen . Bluetooth 5.0 Compatibility :Connect your watch to your Android phone seamlessly with Bluetooth 5.0 compatibility. Blood Pressure Monitor :Monitor your blood pressure accurately with the built-in monitor. Heart Rate Tracker :Track your heart rate during workouts and daily activities. Multiple Dials :Choose from a variety of watch faces to match your style. Strap: Silicone strap Steel strap.